108 lines
3.7 KiB
Scheme
108 lines
3.7 KiB
Scheme
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(let ()
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(define-record stats
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(user-secs user-usecs sys-secs sys-usecs real-secs real-usecs
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collection-id))
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(define (mk-stats)
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(make-stats #f #f #f #f #f #f #f))
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(define (set-stats! t)
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(foreign-call "ikrt_stats_now" t))
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(define (print-stats message bytes t1 t0)
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(define (print-time msg msecs)
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(printf " ~a ms elapsed ~a time\n" msecs msg))
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(define (msecs s1 s0 u1 u0)
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(+ (* (- s1 s0) 1000) (quotient (- u1 u0) 1000)))
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(if message
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(printf "running stats for ~a:\n" message)
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(printf "running stats:\n"))
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(let ([collections
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(fx- (stats-collection-id t1) (stats-collection-id t0))])
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(case collections
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[(0) (display " no collections\n")]
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[(1) (display " 1 collection\n")]
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[else (printf " ~a collections\n" collections)]))
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(print-time "cpu"
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(+ (msecs (stats-user-secs t1) (stats-user-secs t0)
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(stats-user-usecs t1) (stats-user-usecs t0))
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(msecs (stats-sys-secs t1) (stats-sys-secs t0)
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(stats-sys-usecs t1) (stats-sys-usecs t0))))
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(print-time "real"
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(msecs (stats-real-secs t1) (stats-real-secs t0)
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(stats-real-usecs t1) (stats-real-usecs t0)))
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(printf " ~a bytes allocated\n" bytes))
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(define (print-stats-old message bytes t1 t0)
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(define (print-time msg secs usecs)
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(if (fx< usecs 0)
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(print-time msg (fx- secs 1) (fx+ usecs 1000000))
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(printf " ~a.~a~a~as ~a"
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secs
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(fxremainder (fxquotient usecs 100000) 10)
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(fxremainder (fxquotient usecs 10000) 10)
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(fxremainder (fxquotient usecs 1000) 10)
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msg)))
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(if message
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(printf "running stats for ~a:\n" message)
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(printf "running stats:\n"))
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(let ([collections
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(fx- (stats-collection-id t1) (stats-collection-id t0))])
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(case collections
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[(0) (display " no collections\n")]
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[(1) (display " 1 collection\n")]
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[else (printf " ~a collections\n" collections)]))
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(print-time "real"
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(fx- (stats-real-secs t1) (stats-real-secs t0))
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(fx- (stats-real-usecs t1) (stats-real-usecs t0)))
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(print-time "user"
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(fx- (stats-user-secs t1) (stats-user-secs t0))
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(fx- (stats-user-usecs t1) (stats-user-usecs t0)))
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(print-time "sys\n"
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(fx- (stats-sys-secs t1) (stats-sys-secs t0))
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(fx- (stats-sys-usecs t1) (stats-sys-usecs t0)))
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(printf " ~a bytes allocated\n" bytes))
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(define time-it
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(case-lambda
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[(proc)
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(time-it proc #f)]
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[(proc message)
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(unless (procedure? proc)
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(error 'time-it "~s is not a procedure" proc))
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(let* ([t0 (mk-stats)]
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[t1 (mk-stats)]
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[bytes-min (bytes-minor)]
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[bytes-maj (bytes-major)])
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(set-stats! t0)
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(call-with-values proc
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(case-lambda
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[(v)
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(set-stats! t1)
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(print-stats message
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(diff-bytes bytes-min bytes-maj
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(bytes-minor) (bytes-major))
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t1 t0)
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v]
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[v*
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(set-stats! t1)
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(print-stats message
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(diff-bytes bytes-min bytes-maj
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(bytes-minor) (bytes-major))
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t1 t0)
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(apply values v*)])))]))
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(define (bytes-minor)
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(foreign-call "ikrt_bytes_allocated"))
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(define (bytes-major)
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(foreign-call "ikrt_bytes_allocated_major"))
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(define (diff-bytes mnr0 mjr0 mnr1 mjr1)
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(+ (fx- mnr1 mnr0) (* (fx- mjr1 mjr0) #x10000000)))
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(primitive-set! 'time-it time-it)
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)
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